About: http://webisa.webdatacommons.org/393597160

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Much of the information in it is the fruit of recent research (as you can see from the references), and most of the rest is not available in one place, organized so as to address the sort of question that David asked.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu